
Step 3: Add PDF, JPG, PNG and other additional files to Preview by dragging and dropping them into thumbnails sidebar. If your file isn’t opening in Preview at default, you can two-finger click on that file then go to Open with > Preview. If it isn’t, go to View > Thumbnails or press Option+Cmd+2. Make sure that the thumbnail sidebar is visible. Step 2: Double-click on the duplicate file to open it in Preview. To create a duplicate, simply two-finger click on the file and select Duplicate in the dropdown menu. You want to use a duplicate to make the changes in, so that you’re preserving the original file, in case you make a mistake or need it for something else in the future. It may prove a lifesaver for users working with large numbers of PDF documents.Step 1: Open the Finder folder where your files are stored and make a duplicate of the file you want as your first page. PDF Merge for Mac works well at combining multiple PDFs and is easy to use. After the process ends, the user can select the location and name of the new file with a window that pops up. The overall process completes quickly, and the output images match the originals in their resolution. A clearly-labeled button initiates the combination process and is very easy to find. As files are added, the main area lists them by their title and their location. Users can also manually select files to import via a "+" and "-" set of buttons at the bottom, which opens a separate finder window. A medium-size window has one area where files can be dragged and dropped.
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The trial limits the number of PDFs combined to three, but the full version of PDF Merge for Mac with no limits can be purchased for $18.99. Fortunately, the design is intuitive and well thought out. The free trial version's basic menu lacks any advanced graphics or a user tutorial. The program performs only one task, but does it quickly and without any problems. With its rather basic but intuitive drag-and-drop interface, PDF Merge for Mac successfully combines several PDFs into one file.
